In the opened window click Extensions, locate any recently installed suspicious extension, select it and click Uninstall.Optional method:Make sure your Safari browser is active and click on Safari menu. From the drop down menu select Clear History and Website Data......
Add, turn off, or remove extensions in Microsoft Edge Select Get Extensions for Microsoft Edge.. Find the extension you'd like to add and select Get. At the prompt showing permissions required by the extension, carefully review the permissions, and then select Add extension if you wish to ...